Description
The runner connects the intake manifold to the pressure box (turbo engines) or throttle bodies (N/A engines).
Thanks to its progressively tapered shape, the runner enhances air flow to the cylinder head. Runners are available in a variety of sizes and shapes, see options.
Type-4 runner fits directly on the cylinder head of eg. Toyota 4A-GE Silver Top engine.
Runner dimensions:
– length: 100 mm
– round end inner/outer diameter: 46/52 mm
– rectangular end inner dimensions: 44 mm x 34 mm
– wall thickness: 3 mm
